A total of Tk. 1200 is deposited in two savings accounts for one year, one portion at 5% simple interest, and the rest at 7% simple interest. If Tk. 72 was earned in interest, how much was deposited at 5%?

The combined salary of X , Y and Z is Tk. 90,000. X earns twice of what z earns, and Y earns 1.5 times of what...

A worker was hired for 7 days. Each day, he was paid Tk. 10 more than what he was paid for the previous day of...

M is a girl and has the same number of brothers as sisters. N is a boy and has twice as many sisters as brothe...

Forty tiles of dimensions 1 foot * 2 foot each are required to completely cover a floor. How many tiles of dim...

A survey of n people in the town A found that 50% of them prefer Brand X. Another survey of 100 people in the...

The remainder when the positive integer m is divided by 7 is x. The remainder is (x + 7) when m is divided by...